From e0ae0cc7f61619384c40a1d7a82f6846db06ac18 Mon Sep 17 00:00:00 2001
From: Nicole O'Brien <nicole@bloomwallet.io>
Date: Thu, 7 Dec 2023 17:07:50 +0000
Subject: [PATCH] fix: untrack erc-20 interface of the base token (#1584)

* fix: untrack erc20 shimmer

* add constant

* fix: type

* fix: types and circular dependencies
---
 .../layer-2/actions/checkForUntrackedTokens.ts  | 17 ++++++++++-------
 .../base-token-contract-address.constant.ts     |  6 ++++++
 .../src/lib/core/layer-2/constants/index.ts     |  1 +
 .../token/actions/getAccountTokensForAccount.ts |  8 ++++++--
 4 files changed, 23 insertions(+), 9 deletions(-)
 create mode 100644 packages/shared/src/lib/core/layer-2/constants/base-token-contract-address.constant.ts

diff --git a/packages/shared/src/lib/core/layer-2/actions/checkForUntrackedTokens.ts b/packages/shared/src/lib/core/layer-2/actions/checkForUntrackedTokens.ts
index 3ec9b29875..20106ade3f 100644
--- a/packages/shared/src/lib/core/layer-2/actions/checkForUntrackedTokens.ts
+++ b/packages/shared/src/lib/core/layer-2/actions/checkForUntrackedTokens.ts
@@ -1,8 +1,9 @@
 import { IAccountState } from '@core/account/interfaces'
-import { EvmExplorerApi } from '@core/network'
+import { EvmExplorerApi, EvmNetworkId } from '@core/network'
 import { getNetwork } from '@core/network/stores'
 import { TokenStandard, TokenTrackingStatus } from '@core/token'
 import { addNewTrackedTokenToActiveProfile, hasTokenBeenUntracked } from '@core/wallet/actions'
+import { BASE_TOKEN_CONTRACT_ADDRESS } from '../constants'
 
 export function checkForUntrackedTokens(account: IAccountState, addPreviouslyUntracked?: boolean): void {
     const chains = getNetwork()?.getChains()
@@ -21,12 +22,14 @@ export function checkForUntrackedTokens(account: IAccountState, addPreviouslyUnt
         )
         untrackedTokensToTrack.forEach(({ token }) => {
             const { address, type, name, symbol, decimals } = token
-            addNewTrackedTokenToActiveProfile(
-                networkId,
-                address.toLowerCase(),
-                { standard: type as TokenStandard.Erc20, name, symbol, decimals },
-                TokenTrackingStatus.AutomaticallyTracked
-            )
+            if (address !== BASE_TOKEN_CONTRACT_ADDRESS?.[networkId as EvmNetworkId]) {
+                addNewTrackedTokenToActiveProfile(
+                    networkId,
+                    address.toLowerCase(),
+                    { standard: type as TokenStandard.Erc20, name, symbol, decimals },
+                    TokenTrackingStatus.AutomaticallyTracked
+                )
+            }
         })
     })
 }
diff --git a/packages/shared/src/lib/core/layer-2/constants/base-token-contract-address.constant.ts b/packages/shared/src/lib/core/layer-2/constants/base-token-contract-address.constant.ts
new file mode 100644
index 0000000000..04223e1896
--- /dev/null
+++ b/packages/shared/src/lib/core/layer-2/constants/base-token-contract-address.constant.ts
@@ -0,0 +1,6 @@
+import { EvmNetworkId } from '@core/network/enums'
+
+export const BASE_TOKEN_CONTRACT_ADDRESS: Readonly<{ [id in EvmNetworkId]?: string }> = {
+    [EvmNetworkId.ShimmerEvm]: '0x1074010000000000000000000000000000000000',
+    [EvmNetworkId.TestnetEvm]: '0x1074010000000000000000000000000000000000',
+}
diff --git a/packages/shared/src/lib/core/layer-2/constants/index.ts b/packages/shared/src/lib/core/layer-2/constants/index.ts
index 6f4d03e4a8..473e152128 100644
--- a/packages/shared/src/lib/core/layer-2/constants/index.ts
+++ b/packages/shared/src/lib/core/layer-2/constants/index.ts
@@ -1,4 +1,5 @@
 export * from './accounts-contract.constant'
+export * from './base-token-contract-address.constant'
 export * from './contract-functions.constant'
 export * from './empty-buffer.constants'
 export * from './erc20-tokens-poll-interval.constant'
diff --git a/packages/shared/src/lib/core/token/actions/getAccountTokensForAccount.ts b/packages/shared/src/lib/core/token/actions/getAccountTokensForAccount.ts
index 167a376720..f3279dc2aa 100644
--- a/packages/shared/src/lib/core/token/actions/getAccountTokensForAccount.ts
+++ b/packages/shared/src/lib/core/token/actions/getAccountTokensForAccount.ts
@@ -3,7 +3,7 @@ import { getLayer2AccountBalance } from '@core/layer-2/stores'
 import { MarketCoinPrices, MarketCurrency } from '@core/market'
 import { shimmerEvmAddressToCoinGeckoIdMap } from '@core/market/stores'
 import { calculateFiatValueFromTokenValueAndMarketPrice } from '@core/market/utils'
-import { NetworkId, getNetwork } from '@core/network'
+import { NetworkId, EvmNetworkId, getNetwork } from '@core/network'
 import { getActiveNetworkId } from '@core/network/actions/getActiveNetworkId'
 import { sortTokens } from '@core/token/utils/sortTokens'
 import { get } from 'svelte/store'
@@ -12,6 +12,7 @@ import { ITokenWithBalance } from '../interfaces'
 import { AccountTokens, IAccountTokensPerNetwork } from '../interfaces/account-tokens.interface'
 import { getPersistedToken } from '../stores'
 import { isValidIrc30Token, isValidToken } from '../utils'
+import { BASE_TOKEN_CONTRACT_ADDRESS } from '@core/layer-2'
 
 export function getAccountTokensForAccount(
     account: IAccountState,
@@ -110,7 +111,10 @@ function getAccountAssetForChain(
     const tokens = Object.entries(balanceForNetworkId) ?? []
 
     for (const [tokenId, balance] of tokens) {
-        if (tokenId === BASE_TOKEN_ID) {
+        if (tokenId === BASE_TOKEN_CONTRACT_ADDRESS?.[networkId as EvmNetworkId]) {
+            // ignore erc20 interface of the base coin of the chain
+            continue
+        } else if (tokenId === BASE_TOKEN_ID) {
             const persistedBaseCoin = getPersistedToken(BASE_TOKEN_ID) // we use the L1 coin type for now because we assume that the basecoin for L2 is SMR
             const baseCoinMarketPrices = marketCoinPrices?.[persistedBaseCoin.metadata?.name?.toLowerCase() ?? '']
             const baseCoinMarketPrice = baseCoinMarketPrices?.[marketCurrency]